David miller



Feb. 8, 1927.

Filed Jan. 4, 1926- A TTORNEYS.

the valve This inventionjrelates to a hall hock' mech f" anis'n'ifor usein toi-ietgfiu'sh -tanksanjdtor like purposes." It appertainsfmoreparticu-{' larly' toa valve fstr ucture oper'ated hyfa flo at.

y In flush tanks, a valve controlling the 'inflovv of 'water isope'rated hy a.Jfloat nov'v c'oi'n-monly con tructed ftlief floatqifslinked to progressive with; the 'rise' in the valve' is level of the 'fvater" in the tank This; re

stilts in noi sy oper ati'on due tdthe inrushing Waterf, '7 opening,theqioise' becoming greater as the passing through: a: restricted Ivalve valve{approachesits closed position,

wherein-the valveis. maintained in wide open positioirnntil 'thiewaterhas completely tel "described jwhereinfth'ere is a" mechanismforretardmg" closure of thefvalvef, this fmech anisin being-operated to releaseandpermit ft-h'e closure-of the valvef-Whenthe ivaterha's reached its'highest llevel in-the flushtank; A further object o'fithis invention-isto pro- V vide a device of fthe'; character described Z i'u'Ihefe'in-the retarding devi'c e 'is'" operated by .vdra wi-ng inwhich:

t-om of thetank is a pipe 6'adaptedto bef- :Fig, l is a vertical sectionthrongha flush I tank showing the; hall 'cock mechanism in- 1 cludingthe retarding structure; Fig. 2Qis a fragmentary view as seen on thel1nel2:-2 o1":

Fig.1 on an enlarged scale; andFig. 3 is a section as seen'on the line33 of Fig. 2. Referring more particularly to the drawij ings, aflush'tank of the usual construction is indicated by Extending throughthe hoti @connected' to the house service pipes forthe supply of :waterto the tank. {VVithin' thetank and mounted upon the top of thepipe 6'isa fitting-comprising a'hody' r7 having an, opening at the top to receivea plug valvei8.

-' Extending laterally; from 'th ehb o'dy is an 'elbo v;9 to which apipejQlO'extending down wardlyis connected; The pluga8 controls thedischarge of water froin pipe 6 through (we set-Wes wid -1M efii' iblwefisel e e 500% a i 'site-side'lthereofisa bracket-M11112; 1

Pivotally secured to arm llffis ajlever arm 1% connected to theyalvep1ug8; Pivotally jconnected. :tothe en cl fof l ever lt is allink lii'yvlii'ch' is connected at; its: other end to lever '16 pivotally"in'ountec "agpneri that ensuredthat; the lower" end of.

the discharge 10. I raising-the plug valve 8, the valve is opened; andwhen lowered itis closed.) An u right bracketfgarm f i7 l l'is mountedonthefihodyf ndion' thje oppo 'ing secured: to lihef end -thereof a hall-float 0f{any-approved constructiong"The j- I structurejust descrihed'is common end iwell" {The present invention he's'1for'its primary fohje'ct tl-i'e' provision of hall" cock structure known in the art andcomprises a;fl at;oper-5 lills with Water,- fioa-t'18 rises, graduallyclosingi valve 8 upon. its seat and thereby 'gradu? ally restrict] ngthe flow, of water "into the 'ated valvin which thereis -ainultiplefleveif f mechanism hetweenthe float andithe valve. I In theoperation of such a device, as thetankfilled th-ejtank,-givhereupon thevalve is then "clo'sed at once. Another'object of thi's'in-v 1 v e'ntionis to' provide adevice of the "characfiush tafnk through pipes 6 and 10.As the-:

valve opening i'sFdecreasedythenoise of operat1'on increases. Thepresent invent on has for ts primary object the, holding of the valvemechanism in open position: until the isreleasedf sothat float "18 may-'move to standing fromthe bracket ji s a standard22 water. has freached (11's upper-;leve1;{ -"Whereupon;the mechanism",

closethe valve8fcoin pletel'y. "Conveniently 7' mounted up'onf thepipeFIOF is 7 a bracket; 19 o;

which' may have-a sleeve 20 slidably mounted i .over'the-pip-lO and isequipped: ith'a i screw 21 for adjusting'it in'position. Up-" 90.,having ahead 23 with a, slot 2 4: extending therethrough. :TllG jIOCl-17 is arranged-Ito straintas may be placed upon it byla triggermechanism. 'Aslot 25is formed'in the head freely move up wardlyiexceptfor such re- 23 transverse to slot 24 and opening thereto. I In slot 25isa trigger catch 26 pivotally mounted as indicated by27 so that thecatch I will tendtodispose itself across the slot24l The pivotal axis isso 'ldisposed'in the catch is formed in the catch and opens outwardlyfPivotallylm un f P P 29 is aha-00k 10o I with-it s relation to thecenter of gravity, j the catch tends to,

130.- The-pin 29 extends through the head '23' and in such aposition"that hook 3O is-disposed within the hook openin g' 28'of the i trigger"catch; 1 The freeend of the hook V engage t eeeh 2 10mm Quter 4- '1" Iside, and ivvhen theshank the hook is -hori-" hold thegscatch in theposition Esme 1'8'is in its zontal toshown in 2 wherein it is o'utloftheslot 24. Secu're lftothe' shank ofthelhOok 39 71713 act uponthe-gfloatls tending {to raise the v raisedbythfetriggercatch; Whenthelevel o-t the Water reaches; the float 3 1;, it raises the latter andthe hookfioj begins to 'act' upon; the

trigger catch to retract it; troin; slotQA; V comprising a ma n floatfor opening ands j lvhenait hasbeen inoved out or; the slot the ball?float 18 suddenly irises closing the valve 8"." Itiis obvious Jtha'ttheball drainage of thetank can inoveyfreely-ldownslot, and pass thetrigger emuin: the catch 26;

What L nin-1 is:

, 1. In a flush tank, a hall cock mechanism con'iprisingj aina'in floatfor opening: and

' closing an inlet valve, a lever rod' foriconnecting said'main floatand valve; a standard, aftrigger catch; plvot-ally mounted so t 1s "andoperating free to swing on said'standalfd; and adapted, to disposeitself in thepath of said rod when the 'latter is in; its lower;position so as; to" V restrain said rod; init's, upwvardtirsmzel, and

anfau-Xiliaryfloat{niechanisln for engaging; 7

said catch to move the latter out of the; path ofgsaid rod IlPOIlytllQWater and will is prevented from being "eingt adapted-to he held out; ofthe;

Way said lever rod in the doWnvvardt-ravel 2. In a flush tank, aballfcock mechanism 'co nprising an inlet pipe and an inlet valve, amain float for opening and'closingtlie inlet valve, a float and inletvalve; an auxiliary unit coin-f prising a; standard for Inounti'ng onsaid the latter is in itslo'vverposition, so as to restrain said rodlntsupward travel, and

an auxllia'ry float mechanism for engaging and operating saidtrl'ggercatch to move the water in said tank-reaching its uppermost wardtravel otthe rod,

lever rodconnecting saidg nain P13 1 8, a trigger catch pivotallymounted so it 7 free to swing on said standard andiadapted to disposeitself in the path of said rod, when t i latter out of the path'of; saidrod'iupon the ,3. In aflushrtank, a :ball cock mechanisni v closing aninlet valve; leverfro'd' for con-i gravity in the path of said rod,vvhenthe latter is in its,l0Wer1pos-ition,jso as'to rie-f strainsaid-rod in its upward travel, and an- 'auxiliary-floatmechanismseparate from said trigger catchfor engaging and operating-the lattertornove it outiot the path of said-rod upon the. Water in said tankreaching its uppermost level, said catch being adapted to:

be held outfof the way hy said lever rod in the downward travel oi-atherodi 7 In Witness thatl claim";the'jforegoingr dayotDecember, 1925. l VV Davin-MILLER; l

a; have hereunto subscribed my na1'n thig28thi

